What Is a Sunk Cost and the Sunk Cost Fallacy?

The applications vary slightly from program to program, but all ask for some personal background information. If you are new to HBS Online, you will be required to set up an account before starting an application for the program of your choice. Some may call you a fair weather fan, but the cost became sunk the instant you purchased your ticket. You might feel obligated to stay and stick it out if the ticket was expensive, but if leaving makes you happier, do it!

  • After submitting your application, you should receive an email confirmation from HBS Online.
  • If, for example, XYZ Clothing is considering shutting down a production facility, any of the sunk costs that have end dates should be included in the decision.
  • It shows the different combinations of pizzas and burgers the restaurant can produce with its existing resources.
  • People who trade sunk cost tend to redouble their commitment to a course of action in which they have invested considerable resources, such as time, money, or effort.

While sunk cost aids in the decision-making process, many firms fall into sunk cost fallacy. It is the situation when the companies keep on adding further investment into the failed annuity present value formula + calculator innovation in the hope that incurred sunk costs can be recovered. The firms must be aware of the nature of sunk cost and must not take it into account while making decisions.

The sunk cost fallacy prevents you from realizing what the best choice is and makes you place greater emphasis on the loss of unrecoverable money. Sunk cost fallacy is when companies keep investing more money in a failed innovation in the hopes that the sunk costs will eventually be recovered. Let’s take an example of a real-life giant company that had incurred sunk costs.

How is ‘sunk cost’ related to ‘variable cost’?

This gives you a clear target with identifiable measures and constraints to guide you to the successful completion of the first milestone. Loss aversion prompts individuals to continue making poor choices because of the fear of losing. Sunk cost fallacy can lead to missed opportunities as people become more reluctant to pursue new ventures and cannot abandon or pivot from what they have already invested in. Financial responsibility does not mean avoiding these expenses but knowing when and how to mitigate the damages.

On a psychological level though, you might believe if you don’t go you won’t get your money’s worth. But if you go and don’t like it, you’ve not only wasted the cost of the ticket but a few hours of your time. You’ve compounded the financial loss with an opportunity loss.In a strict economic sense, a rational person ignores sunk costs and only considers variable costs when making a decision. To do otherwise would prevent one from making a decision purely on its merits. However, this approach is in conflict with the irrational human tendency to avert loss under any circumstances. Economists suggest that, in theory, sunk costs are not relevant to future decision-making.

  • The applications vary slightly from program to program, but all ask for some personal background information.
  • Some may call you a fair weather fan, but the cost became sunk the instant you purchased your ticket.
  • Most of these companies require a minimum time for you to stay with the service, mainly to keep you from jumping ship to a competitor who may offer you a better deal later on.
  • For example, if a firm sinks $400 million on an enterprise software installation, that cost is “sunk” because it was a one-time expense and cannot be recovered once spent.
  • A sunk cost fallacy is often simplified to the idea of throwing good money after bad while refusing to cut one’s losses.
  • After enrolling in a program, you may request a withdrawal with refund (minus a $100 nonrefundable enrollment fee) up until 24 hours after the start of your program.

Or, do you stop work and save the money you would have spent finishing all the homes? At the point in time where you make this decision, everything you’ve spent so far is sunk cost. In this case it’s a considerable amount of money, and it may be painfully difficult to walk away. If you don’t, you run the risk of spending even more money that you’ll never recover if economic conditions don’t improve fast enough.

What is a Sunk Cost?

The sunk cost fallacy can result in wasted expenses, time, and energy, regardless of whether the business follows through or abandons the project. Maybe you went to law school, passed the bar, started working, and then realized you hate being a lawyer. You invested so much time, energy, and money in that degree, so it can’t be worth starting over again with a new career, right? Unfortunately, these are all sunk costs, so if your end goal is your own happiness, you might need to cut your losses and refocus your energies elsewhere. However, sunk costs aren’t just useful for large companies deciding whether to enter new markets or close down factories.

Examples of sunk costs

The dilemma can be framed as one of certain loss versus uncertain success.During the U.S. recession many homebuilders chose to keep working, assuming this economic recovery would mirror past experience. It didn’t and many of them failed because there has been no sustainable rebound in the real estate market. In retrospect, they would have been better off ignoring their sunk costs and cutting their losses. The sunk cost dilemma is not resolved as long as the project is neither completed nor stopped.

A company spends $50,000 on a marketing study to see if its new auburn widget will succeed in the marketplace. The company should not continue with further investments in the widget project, despite the size of the earlier investment. Several examples of sunk costs are noted below, covering four common situations in which sunk costs are incurred. A majority of people would choose the more expensive trip because, although it may not be more fun, the loss seems greater.

AccountingTools

Sunk costs are expenses incurred to date in a project that are already spent and as a result cannot be recovered. Sunk costs are fixed and do not change irrespective of the levels of productivity of a project or operation. In both economics and business decision-making, sunk cost refers to costs that have already happened and cannot be recovered. Sunk costs are excluded from future decisions because the cost will be the same regardless of the outcome.

In fact, the level of sunk cost is a major barrier to entry to many of these businesses.The concept is simple and straightforward, but sunk cost plays a major role in many personal and business decisions. It’s important to have a decision-making strategy when confronted with the need to spend more money when the recoupment of the sunk cost may be in jeopardy. It is important to note that fixed costs can also be incurred at a future date (such as next month’s rent) however are already ‘sunk’ (in the rent example – based on the 12 month lease that was signed). In project accounting, it is a good idea to ensure fixed costs are categorised, as are variable costs (costs that could change). This will allow you to easily report on the relevant cost types for different processes including project decision making. Before jumping right into the definition of sunk costs, let’s get a quick refresher on what costs mean in economics.

Avoid the sunk cost fallacy by monitoring the outcomes of your financial decisions and stopping projects that no longer show benefit. Do not compound sunk costs by continuing to spend money on investments or financial decisions with a negative financial outcome. If you bought an advance ticket to a movie and then heard from several moviegoers that it was terrible, would you still go see it if you couldn’t get a refund or resell the ticket? Made on a purely economic basis, you wouldn’t go because the ticket is a sunk cost.